National Toxicology Program

National Toxicology Program

Testing Status of Chlorhexidine - 11012


CASRN: 55-56-1

Formula: C22-H30-Cl2-N10

Synonyms/Common Names

  • 1,1'-Hexamethylenebis(5-(p-chlorophenyl)biguanide)

Known Uses

A disinfectant and topical anti-infective agent used also as mouthwash to prevent oral plaque.

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • Salmonella  (G10690)  Completed 
    •  Negative 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.